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| Author(s) [A-Z] | Year [ascending] | Title | Type | Journal | Citation |
| Brown, E.W. | 1893 | Enniskillen | Journal | Entomol. Rec. J. Var. | Details... |
| Campbell, D.C. | 1893 | The macro-lepidoptera of the Londonderry district | Journal | Ir. Nat. | Details... |
| Campbell, D.C. | 1893 | The macro-lepidoptera of Londonderry district | Journal | Ir. Nat. | Details... |
| Campbell, D.C. | 1893 | The macro-lepidoptera of the Londonderry district | Journal | Ir. Nat. | Details... |
| Campbell, D.C. | 1893 | Waxwing near Londonderry | Journal | Ir. Nat. | Details... |
| Campbell, D.C. | 1893 | Lepidoptera of Londonderry | Journal | Ir. Nat. | Details... |
| Campbell, D.C. | 1893 | Iceland gull (Larus leucopterus) at Londonderry | Journal | Ir. Nat. | Details... |
| Campbell, D.C. | 1893 | Spring migrants at Londonderry | Journal | Ir. Nat. | Details... |
| Campbell, D.C. | 1893 | Re-appearance of quails near Londonderry | Journal | Ir. Nat. | Details... |
| Colgan, N. | 1893 | Lough Neagh petrifactions | Journal | Ir. Nat. | Details... |
| Creighton, R.N. | 1893 | Crustacea from Upper Lough Erne and Lough Corrib | Journal | Ir. Nat. | Details... |
| Donaldson, G., Knowles, W.J. & Praeger, R.Ll. | 1893 | Report of the sub-committee appointed to investigate the gravels of Ballyrudder, County Antrim | Journal | Proc. Belf. Nat. Fld. Club | Details... |
| Hart, G.V. | 1893 | Lepidoptera of the Londonderry district | Journal | Ir. Nat. | Details... |
| Jameson, H.L. | 1893 | Bewick's swan (Cygnus bewickii) in Co. Armagh | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1893 | Lepidoptera at Armagh | Journal | Ir. Nat. | Details... |
| Johnson, W.F. | 1893 | Spring migrants at Armagh | Journal | Ir. Nat. | Details... |
| Kane, W.F. de Vismes | 1893 | Tyrone | Journal | Entomol. Rec. J. Var. | Details... |
| Kennedy, W. | 1893 | Ianthina rotundata at Portrush | Journal | Ir. Nat. | Details... |
| Leebody, | 1893 | Spiranthes romanzoviana in Co. Londonderry | Journal | Ir. Nat. | Details... |
| Leebody, | 1893 | Colour variation in wild flowers | Journal | Ir. Nat. | Details... |
3701 references found.